| ROTOM 1278005 · TMA673560 | ALLTEMP PRODUCTS COMPANY LIMITED | 7 Machines9 Electronics | Registered | 2006 |
| ROOTDOWN 1957907 · TMA1233059 | HGCI, Inc. | 1 Chemicals | Registered | 2024 |
| ROTAM 1540630 · TMA926606 · design | Albaugh, LLC | 1 Chemicals5 Pharmaceuticals31 Fresh | Registered | 2016 |
| ROTEM 1188806 · TMA638846 | an individual | 5 Pharmaceuticals10 Medical | Registered | 2005 |
| ROYTON 1003663 · TMA528574 | AS America, Inc. | 11 Lighting | Registered | 2000 |
| ROTAM 0612400 · TMA383113 · design | Albaugh, LLC | 1 Chemicals5 Pharmaceuticals | Registered | 1991 |
| ROTAM 0612399 · TMA377073 | Albaugh, LLC | 1 Chemicals5 Pharmaceuticals | Registered | 1990 |
| ROADOM 2324167 | an individual | 9 Electronics | Pending | 2024 |
| ROOTINN 2161600 | GREEN PLANTING HOLDINGS PTE. LTD. | 1 Chemicals31 Fresh35 Advertising+3 | Pending | 2022 |
| RETHONE 2254961 · TMA1274531 | Shenzhen Yuanjingxin Hardware & Plastic Mould Co.LTD | 7 Machines | Registered | 2024 |
| RATMO 2238409 · TMA1253135 | an individual | 6 Metal21 Housewares37 Construction | Registered | 2024 |
| RATHIAN 2216204 · TMA1245409 | CAPCOM CO., LTD | 9 Electronics25 Clothing28 Toys+1 | Registered | 2024 |
| RIDIN 2216089 · TMA1245390 | Sololess Inc. | 9 Electronics12 Vehicles | Registered | 2024 |
| RHYTHM 2154214 · TMA1234447 | Rhythm Energy, Inc. | 35 Advertising38 Telecommunications | Registered | 2024 |
| REDEN 2097918 · TMA1200033 · design | LIFELONG Co. Ltd. | 3 Cosmetics | Registered | 2023 |
| RITON 2085603 · TMA1214014 | RITON USA, LLC | 9 Electronics13 Firearms25 Clothing+1 | Registered | 2023 |
| Redmi 2085323 · TMA1281677 | Xiaomi Inc. | 9 Electronics38 Telecommunications | Registered | 2025 |
| RADIEN 2052652 · TMA1169670 | Bombardier Recreational Products Inc. | 12 Vehicles | Registered | 2023 |
| REEDIN 2052085 · TMA1169663 | an individual | 25 Clothing28 Toys | Registered | 2023 |
| RHYTHM 2026782 · TMA1116601 · design | RHYTHM SUPERFOODS, LLC | 29 Meat | Registered | 2021 |
| RETINA 2018428 · TMA1113666 | Apple Inc. | 9 Electronics | Registered | 2021 |
| !!RHYTHM 2003465 · TMA1146525 · design | Rhythm Pharmaceuticals, Inc. | 5 Pharmaceuticals42 Science | Registered | 2022 |
| RADIAN 1937724 · TMA1128142 · design | Radian Group Inc. | 35 Advertising36 Finance41 Education+1 | Registered | 2022 |
| ROIDMI 1913510 · TMA1097764 · design | ROIDMI INFORMATION TECHNOLOGY CO. LTD. | 7 Machines11 Lighting | Registered | 2021 |
| RED9INE 1899249 · TMA1079998 | an individual | 44 Medical | Registered | 2020 |